Lessard, E. D., M. Hansen, and M. L. Eilers. 1986. Annotated bibliography: mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae). United States Department of Agriculture, Forest Service, Rocky Mountain Region, Lakewood, Colorado, Timber, Forest Pest and Cooperative Forestry Management, Technical Report R2-35. 158 p.